Iran's parliament revealed it planned to impeach President Mahmoud Ahmadinejad

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Iran's parliament revealed it planned to impeach President Mahmoud Ahmadinejad but refrained under orders from Supreme Leader Ayatollah Ali Khamenei, exposing a deepening division within the regime.

Lawmakers also launched a new petition to bring a debate on the president's impeachment, conservative newspapers reported Monday.

The reports of challenges to Mr. Ahmadinejad were intended as retorts to a powerful body of clerics that urged Mr. Khamenei to curb the parliament's authority and give greater clout to the president.

In a report released Sunday and discussed in parliament Monday, four prominent lawmakers laid out the most extensive public criticism of Mr. Ahmadinejad to date.

They accused him and his government of 14 counts of violating the law, often by acting without the approval of the legislature. Charges include illegally importing gasoline and oil, failing to provide budgetary transparency and withdrawing millions of dollars from Iran's foreign reserve fund without getting parliament's approval.

"The president and his cabinet must be held accountable in front of the parliament," the report stated. "A lack of transparency and the accumulation of legal violations by the government is harming the regime."

The moves against Mr. Ahmadinejad come as the regime faces domestic pressure over his plans to gradually eliminate subsidies for fuel, food and utilities from an economy strained by a string of international sanctions over Tehran's controversial nuclear program.

Authorities have tightened security and arrested members of the opposition to prevent riots and uprisings in response to the subsidy cuts, which economists say will drive up inflation.

In opposition to the conservative lawmakers are Iran's ultraconservatives--led by Mr. Khamenei, who has final say in all state matters--who have increasingly backed the president when he carries out policy without parliamentary approval.